MAKEUP PRODUCTS (NON-PERMANENT)

Although many chemicals in beauty products and cosmetics pose slight or zero threat, several have been associated to serious health problems, including cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics can enter the body through inhalation, the skin, and ingestion, and cause similar risks as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food and a lot of other commonly used products. Yet, no group of consumer products is subject to less government inspection than cosmetics and other personal products, including Amazonian colored clay eyeliner. Though most of the contaminants and chemicals in cosmetics probably pose little risk, being exposed to a few is linked to critical health concerns, including cancer.